Starknet announced the launch of strkBTC, a Bitcoin-based asset on its Layer 2 network with privacy features for balances and transfers. According to the announcement, users can convert BTC into strkBTC, use a shield function to hide balances and transfers, and later unshield the asset to restore public visibility. Starknet also said the STRK20 privacy framework supports ERC-20 privacy transfers, adding new technical detail to the project’s shielded Bitcoin product on the network.